board/logicpd/imx31_litekit/imx31_litekit.c

   1 /*
   2  *
   3  * (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23
  24
  25 #include <common.h>
  26 #include <netdev.h>
  27 #include <asm/arch/mx31.h>
  28 #include <asm/arch/mx31-regs.h>
  29
  30 DECLARE_GLOBAL_DATA_PTR;
  31
  32 int dram_init (void)
  33 {
  34         gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
  35         gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
  36
  37         return 0;
  38 }
  39
  40 int board_init (void)
  41 {
  42         __REG(CSCR_U(0)) = 0x0000cf03; /* CS0: Nor Flash */
  43         __REG(CSCR_L(0)) = 0xa0330d01;
  44         __REG(CSCR_A(0)) = 0x00220800;
  45
  46         __REG(CSCR_U(4)) = 0x0000dcf6; /* CS4: Network Controller */
  47         __REG(CSCR_L(4)) = 0x444a4541;
  48         __REG(CSCR_A(4)) = 0x44443302;
  49
  50         /* setup pins for UART1 */
  51         mx31_gpio_mux(MUX_RXD1__UART1_RXD_MUX);
  52         mx31_gpio_mux(MUX_TXD1__UART1_TXD_MUX);
  53         mx31_gpio_mux(MUX_RTS1__UART1_RTS_B);
  54         mx31_gpio_mux(MUX_CTS1__UART1_CTS_B);
  55
  56         /* SPI2 */
  57         mx31_gpio_mux(MUX_CSPI2_SS2__CSPI2_SS2_B);
  58         mx31_gpio_mux(MUX_CSPI2_SCLK__CSPI2_CLK);
  59         mx31_gpio_mux(MUX_CSPI2_SPI_RDY__CSPI2_DATAREADY_B);
  60         mx31_gpio_mux(MUX_CSPI2_MOSI__CSPI2_MOSI);
  61         mx31_gpio_mux(MUX_CSPI2_MISO__CSPI2_MISO);
  62         mx31_gpio_mux(MUX_CSPI2_SS0__CSPI2_SS0_B);
  63         mx31_gpio_mux(MUX_CSPI2_SS1__CSPI2_SS1_B);
  64
  65         /* start SPI2 clock */
  66         __REG(CCM_CGR2) = __REG(CCM_CGR2) | (3 << 4);
  67
  68         gd->bd->bi_arch_number = MACH_TYPE_MX31LITE; /* board id for linux */
  69         gd->bd->bi_boot_params = (0x80000100);  /* adress of boot parameters */
  70
  71         return 0;
  72 }
  73
  74 int checkboard (void)
  75 {
  76         printf("Board: i.MX31 Litekit\n");
  77         return 0;
  78 }
  79
  80 int board_eth_init(bd_t *bis)
  81 {
  82         int rc = 0;
  83 #ifdef CONFIG_SMC911X
  84         rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
  85 #endif
  86         return rc;
  87 }